Home / 208,865-288,234.02-119,442.92

Finding the Fourth Proportional to 208,865, 288,234.02 and 119,442.92

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Solution

The fourth proportional to 208,865, 288,234.02 and 119,442.92 is: 164,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,865 : 288,234.02 = 119,442.92 : x
  2. Step 2: Convert to fraction form
    208,865/288,234.02 = 119,442.92/x
  3. Step 3: Cross multiply
    208,865x = 288,234.02 × 119,442.92
  4. Step 4: Simplify right side
    208,865x = 34,427,512,992.14
  5. Step 5: Solve for x
    x = 34,427,512,992.14/208,865
  6. Step 6: Final answer
    x = 164,831.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.